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Experimental Study of Annulus Flow for Can Combustor with Vibration Influence | ||
| Journal of University of Babylon | ||
| Article 1, Volume 26, Issue 2, 2018, Pages 231-241 | ||
| Authors | ||
| ; Dhirgham Alkhafagiy | ||
| Abstract | ||
| This paper concentrate on studying the behavior of velocity profile under the influence of different frequency (34, 48, 65 and 80 Hz) in each of the upper and lower annulus of Can Combustor.An experimental rig was designed to simulate the annulus flow inside a Can Combustor.The Can Combustor tested in this study is real part collected from Al-Khairat/Iraq gas turbine power station.The velocity profiles are investigated at three positions in the annular for upper and lower region.The axial velocity and turbulence intensity are calculating with different frequency for upper and lower annulus.The results were shown that the increase of frequency lead to increase the velocity profile and large recirculation zone will build in some points.Reynolds number increasing with raise of axial velocity. Also the increasing in vibration level cause non-uniform velocity profile which affect on distribution of cooling effectiveness. | ||
| Keywords | ||
| Annulus Flow; Can Combustor; Pitot Static Tube; Velocity Profile; Forced Vibration and Flow Induced Vibration | ||
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